Yes, vaping is toxic. A U.S. teen developed "popcorn lung" after secretly vaping for three years a permanent, life altering disease. Officially known as bronchiolitis obliterans, the condition scars the lungs' tiniest Researchers Reveal How Vaping Causes Brain and Lung Damage Vapor from e cigarettes may impair the cells that line the lungs A lot of people still think vaping is harmless, but scans like this are a reminder that the lungs don't always recover from the damage. Some e cigarettes contain chemicals like diacetyl, which The effect of Ecigarette exposure on the pulmonary immune system and Download Scientific Diagram Vaping and Electronic Cigarette (E Cigarette) Products Cattaraugus County Website